No. Despite an advance warning that has lasted almost two years, the world is ill-prepared to defend itself during a pandemic.

否。 尽管预先警告已经发出了将近两年，世界仍没有准备好在大流行期间保护自己。

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This gives GAE advance warning of an incoming query. Listing 6 is the custom index that makes querying multiple properties possible.

这给GAE提供一个有关传入查询的预先警告。

youdao

Then, apparently not realizing the stock market collapse was an advance warning of a coming recession, the Fed continued raising interest rates until May, 2000, and did not begin cutting interest rates to prevent a recession until January, 2001.

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These schemes offer consolation, but any effort to deflect an asteroid requires plenty of advance warning, and that may not always be available.

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According to Kate Cummings, an Ushahidi consultant in Monrovia, Liberia, Humanity United is funding an effort to set up an early warning system in advance of the late-2011 Liberian elections, that would spread the word about potential political violence before it erupts.

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